Emerson Y690A Data Sheet
Contents
1. O 7 to 16 inches w c 17 to 40 mbar Unpainted O 15 inches w c to 1 2 psig 37 to 83 mbar Yellow O 1 2 to 2 5 psig 83 mbar to 0 17 bar Light Green O 2 5 to 4 5 psig 0 17 to 0 31 bar Light Blue O 4 5 to 7 psig 0 31 to 0 48 bar Black Replacement Parts Kit Optional O Yes send one replacement parts kit to match this order Tank Blanketing Specification Worksheet Application Specifications Tank Capacity Pump In Rate Pump Out Rate Blanketing Gas Type and Specific Gravity Conservation Vent Setpoint Pressure Requirements Maximum Inlet Pressure P Minimum Inlet Pressure P min Control Pressure Setting P wed Maximum Flow Qna Accuracy Requirements 0 25 inch w c 0 6 mbar 0 5 inch w c 1 mbar 1 inch w c 2 mbar L 2 inches w c 5 mbar Others Other Specifications Is a vapor recovery regulator required L Yes Special Material Requirements L Ductile Iron Stainless steel Hastelloy C Others Other Requirements Bulletin 74 1 Y690A Industrial Regulators Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75069 1872 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Shanghai China 201206 Tel 86 21 2892 9000 Europe Bologna Italy 40013 Tel 39 051 412. PRESSURE OUTLET INLET RANGE PRESSURE PRESSURE Orifice Size Inches mm PART NUMBER SETTING PSIG bar AND COLOR 1 8 3 2 1 4 6 4 3 8 9 5 1 2 13 9 16 14 2 0 14 112 3 0 316 8 5 468 12 5 489 13 1 967 25 9 5 0 34 193 5 2 356 9 5 1008 27 0 1120 30 0 1161 31 1 10 0 69 244 6 5 814 21 8 1140 30 6 1547 41 5 20 1 4 356 9 5 947 25 4 1344 36 0 1 inch w c 40 2 8 662 17 7 1140 30 6 2 mbar 60 4 1 977 26 2 80 5 5 1191 31 9 100 6 9 1323 35 5 on 125 8 6 1395 37 4 0 re abet 150 10 3 1446 38 7 2 0 14 122 3 3 295 7 9 346 9 3 478 12 8 1B558527052 5 0 34 204 5 5 356 9 5 753 20 2 947 25 4 Orange 10 0 69 244 6 5 753 20 2 957 25 6 1262 33 8 20 1 4 356 9 5 916 24 6 1273 34 1 2 5 inches w c 40 2 8 611 16 4 1252 33 6 6 mbar 60 4 1 957 25 6 80 5 5 1191 31 9 100 6 9 1323 35 5 125 8 6 1415 37 9 150 10 3 1537 41 2 2 0 14 112 3 0 132 3 5 275 7 4 478 12 8 5 0 34 183 4 9 305 8 2 601 16 1 774 20 7 10 0 69 265 7 1 611 16 4 814 21 8 1099 29 5 20 1 4 326 8 7 672 18 0 1161 31 1 2 5 inches w c 40 2 8 590 15 8 987 26 5 6 mbar 60 4 1 896 24 0 1323 35 5 80 5 5 1028 27 6 100 6 9 1222 32 8 125 8 6 1303 34 9 150 10 3 1425 38 2 2 0 14 102 2 7 153 4 1 204 5 5 448 12 0 5 0 34 173 4 6 305 8 2 570 15 3 570 15 3 10 0 69 255 6 8 540 14 5 723 19 4
3. 303 Stainless steel 316 Stainless steel Diaphragm Material Select One Nitrile NBR standard Fluorocarbon FKM Nitrile NBR with PTFE Protector To order this product complete this page or complete the Specification Worksheet and forward to your local Sales Office If the construction you need is not offered on this page contact your local Sales Office To locate your local Sales Office log on to www fisherregulators com Regulators Quick Order Guide KRR Readily Available for Shipment i Allow Additional Time for Shipment Special Order Constructed from Non Stocked Parts Consult your local Sales Office for Availability Availability of the product being ordered is determined by the component with the longest shipping time for the requested construction Bulletin 74 1 Y690A Disk Material Select One O Nitrile NBR standard o Fluorocarbon FKM O Ethylenepropylene EPDM OO PTFE O Perfluoroelastomer FFKM Orifice Size Select One 1 8 inch 3 2 mm 1 4 inch 6 4 mm O 3 8 inch 9 5 mm 1 2 inch 13 mm O 9 16 inch 14 mm Outlet Control Pressure Range Select One Types Y690A and Y690AM 1 to 2 5 inches w c 2 to 6 mbar Orange O 2 5 to 7 inches w c 6 to 17 mbar Red Types Y690AH and Y690AHM O 5 to 10 inches w c 12 to 25 mbar Red
4. 60 4 1 468 12 5 967 25 9 150 10 3 967 25 9 2850 76 4 9 0 62 153 4 1 336 9 0 489 13 1 733 19 6 784 21 0 12 0 83 163 4 4 438 11 7 641 17 2 906 24 3 4 5 psig 0 31 bar 30 2 1 407 10 9 865 23 2 1425 38 2 4 5 to 7 psig 60 4 1 682 18 3 1619 43 4 2138 57 3 0 31 to 0 48 bar 0 7 psig 150 10 3 1547 41 5 3980 107 1537327052 Simba 9 0 62 122 3 3 214 5 7 10 9 519 13 9 Black 12 0 83 153 4 1 295 7 9 509 13 6 682 18 3 7 psig 0 48 bar 30 2 1 305 8 2 713 19 1 1049 28 1 60 4 1 631 16 9 1354 36 3 1934 51 8 150 10 3 1507 40 4 3197 85 7 Shaded areas indicate inlet pressure is too high for orifice size continued 11 Bulletin 74 1 Y690A Table 10 Types Y690AH and Y690AHM Capacities continued OUTLET NPS 1 DN 25 BODY SIZE PRESSURE es RANGE OFFSET OUTLET INLET Capacities in SCFH Nm h of Nitrogen CONTROL FROM PRESSURE PRESSURE Orifice Size Inches mm SPRING PART SETPOINT SETTING PSIG bar NUMBER 1 8 3 2 1 4 6 4 3 8 9 5 1 2 13 9 16 14 AND COLOR 1 69mbar 71 1 9 193 5 2 234 6 3 326 8 7 417 11 2 ais 5 0 34 173 4 6 356 9 5 896 24 0 1496 40 1 1517 40 7 10 inches w c 8 0 55 183 4 9 417 11 2 1690 45 3 1863
5. 1069 28 7 60 4 1 150 10 3 1099 29 5 3940 106 9 0 62 163 4 4 336 9 0 662 17 7 764 20 5 825 22 1 12 0 83 183 4 9 438 11 7 794 21 4 1018 27 3 4 5 psig 0 31 bar 30 2 1 407 10 9 865 23 2 1639 43 9 4 5 to 7 psig 60 4 1 692 18 6 1619 43 4 2881 77 2 0 31 to 0 48 bar 0 7 psig 150 10 3 1629 43 7 4734 127 1537327052 48mbar 9 0 62 519 13 9 Black 12 0 83 163 4 4 295 7 9 611 16 4 702 18 8 7 psig 0 48 bar 30 2 1 295 7 9 713 19 1 1303 34 9 60 4 1 631 16 9 1354 36 3 2179 58 4 150 10 3 1588 42 6 3268 87 6 Shaded areas indicate inlet pressure is too high for orifice size Bulletin 74 1 Y690A lt lt G gt lt F gt lt D gt 8 38 lt 213 gt 1 2 NPT CONTROL LINE A f CONNECTION B 14 A NE 356 y iF NPT OR 5 56 141 SWE o Z 7 1 4 NPT VENT FLANGED y INCHES mm A B D F G BODY SIZE NPS DN Ductile Stainless Ductile Stainless Ductile Stainless Ductile Stainless Ductile Stainless Iron Steel Iron Steel Iron Steel Iron Steel Iron Steel 3 4 1 20 25 4 0 102 4 12 105 2 12 54 2 25 57 6 19 157 6 19 157 10 12 257 10 12 257 1 53 39 1 53 39 Figure 5 Dimensions Ordering Information When ordering specify Application 1 Type o
6. 3 4 20 2 5 inches w c 40 2 8 611 16 4 886 23 7 6 mbar 60 4 1 794 21 3 1273 34 1 80 5 5 967 25 9 100 6 9 1028 27 6 125 8 6 1171 31 4 150 10 3 1232 33 0 2 0 14 112 3 0 193 5 2 234 6 3 428 11 5 468 12 5 5 0 34 132 3 5 275 7 4 509 13 6 621 16 6 692 18 5 10 0 69 193 5 2 458 12 3 713 19 1 804 21 5 2 5 to 20 1 4 255 6 8 641 17 2 916 24 5 Gea 3 inches w c 40 2 8 590 15 8 875 23 5 7 mbar 60 4 1 723 19 4 1069 28 6 1B653827052 80 5 5 1008 27 0 Red 100 6 9 1150 30 8 125 8 6 1303 34 9 150 10 3 1354 36 3 2 0 14 122 3 3 163 4 4 193 5 2 316 8 5 407 10 9 5 0 34 193 5 2 224 6 0 448 12 0 529 14 2 611 16 4 10 0 69 204 5 5 407 10 9 672 18 0 774 20 7 20 1 4 224 6 0 550 14 7 957 25 6 7 inches w c 40 2 8 499 13 4 733 19 6 17 mbar 60 4 1 611 16 4 1018 27 3 80 5 5 682 18 3 100 6 9 804 21 5 125 8 6 855 22 9 150 10 3 1079 28 9 3 Shaded areas indicate maximum allowable inlet pressure is exceeded 1 Deviation from setpoint is 1 to 2 inches w c 2 to 5 mbar continued Table 9 Types Y690A and Y690AM Capacities continued Bulletin 74 1 Y690A BODY SIZE NPS DN 1 25 OUTLET CAPACITIES IN SCFH Nm h OF NITROGEN
7. 49 9 12 to 25 mbar 1 inch w c 7 inches w c 20 1 4 407 10 9 1425 38 2 926 24 8 2 mbar 17 mbar i i i 1B653827052 35 2 4 560 15 0 1812 48 6 733 19 6 Red 75 5 2 814 21 8 1099 29 5 150 10 3 1323 35 5 1 69mbar 71 1 9 132 3 5 163 4 4 183 4 9 193 5 2 Aio 5 0 34 122 3 3 244 6 5 407 10 9 489 13 1 916 24 6 16 inches w c 8 0 55 132 3 5 336 9 0 916 24 6 1150 30 8 17 to 40 mbar 1 inch w c 11 inches w c 2 mbar 27 mbar 20 1 4 275 7 4 611 16 4 1283 34 4 1B653927022 35 2 4 438 11 7 1425 38 2 937 25 1 Unpainted 75 5 2 967 25 9 1191 31 9 150 10 3 1374 36 8 2 0 14 71 1 9 397 10 6 865 23 2 916 24 6 1140 30 6 6 0 41 193 5 2 733 19 6 1975 52 9 2209 59 2 45 inches wc 10 0 69 265 7 1 1252 33 6 2565 68 7 37 mbar 30 2 1 540 14 5 2229 59 7 4306 115 15 inches w c 60 4 1 916 24 6 3644 97 7 to 1 2 psig 37 to 83 mbar 5 5 inches w c 150 10 3 2026 54 3 14 mbar 2 0 14 71 1 9 366 9 8 865 23 2 916 24 6 1018 27 3 1B537027052 Yellow 6 0 41 193 5 2 550 14 7 1222 32 8 1313 35 2 1 2 psig 10 0 69 255 6 8 804 21 6 2107 56 5 83 mbar 30 2 1 529 14 2 2016 54 0 3624 97 1 60 4 1 896 24 0 3309 88 7 150 10 3 2026 54 3 Shaded areas indicate inlet pressure is too high for orifice size continued 12 Table 10 Types Y690AH and Y69
8. 855 22 9 2 5 to 20 1 4 305 8 2 672 18 0 1028 27 6 ae no 3 inches w c 40 2 8 519 13 9 987 26 5 7 mbar 60 4 1 764 20 5 1323 35 5 1B653827052 80 5 5 1018 27 3 Red 100 6 9 1222 32 8 125 8 6 1303 34 9 150 10 3 1425 38 2 2 0 14 102 2 7 153 4 1 204 5 5 377 10 1 5 0 34 173 4 6 305 8 2 438 11 7 540 14 5 10 0 69 204 5 5 387 10 4 590 15 8 845 22 6 20 1 4 285 7 6 621 16 6 794 21 3 7 inches w c 40 2 8 407 10 9 794 21 3 17 mbar 60 4 1 580 15 5 1323 35 5 80 5 5 662 17 7 100 6 9 764 20 5 125 8 6 875 23 5 150 10 3 1150 30 8 Shaded areas indicate maximum allowable inlet pressure is exceeded 1 Deviation from setpoint is 1 to 2 0 inches w c 2 to 5 mbar Bulletin 74 1 Y690A Table 10 Types Y690AH and Y690AHM Capacities OUTLET NPS 3 4 DN 20 BODY SIZE PRESSURE naa RANGE OFFSET OUTLET INLET Capacities in SCFH Nm h of Nitrogen CONTROL FROM PRESSURE PRESSURE Orifice Size Inches mm SPRING PART SETPOINT SETTING PSIG bar NUMBER 1 8 3 2 1 4 6 4 3 8 4 2 13 9 16 14 AND COLOR 1 69 mbar 71 1 9 183 4 9 193 326 8 7 346 9 3 51 5 0 34 173 4 6 356 9 5 387 407 10 9 764 20 5 10 inches w c 8 0 55 183 4 9 417 11 2 428 468 12 5 12 to 25 mbar 1 inch w c 7 inches w c
9. 2 mbar 17 mbar 20 1 4 407 10 9 489 13 1 509 1B653827052 35 2 4 519 13 9 662 17 7 713 Red 75 5 2 611 16 4 753 20 2 150 10 3 1323 35 5 1 69 mbar 71 1 9 122 3 3 153 183 4 9 193 5 2 fic 5 0 34 122 3 3 224 6 0 275 417 11 2 590 15 8 16 inches w c 8 0 55 132 3 5 336 9 0 356 428 11 5 17 to 40 mbar 1 inch w c 11 inches w c 2 mbar 27 mbar 20 1 4 275 7 4 468 12 5 478 1B653927022 35 2 4 407 10 9 489 13 1 509 Unpainted 75 5 2 509 13 6 743 19 9 150 10 3 1323 35 5 2 0 14 71 1 9 397 10 6 713 865 23 2 906 24 3 6 0 41 193 5 2 733 19 6 1293 1659 44 5 45 inches wie 10 0 69 265 7 1 1089 29 2 1527 37 mbar 30 2 1 540 14 5 1883 50 5 1934 15 inches w c to 1 2 psig 60 4 1 916 24 5 2749 73 7 paki 5 Scinchas w c 150 10 3 2026 54 3 14 mbar 2 0 14 71 1 9 326 8 7 478 641 17 2 550 14 7 a 6 0 41 193 5 2 550 14 7 1018 1120 30 0 ellow 1 2 psig 10 0 69 244 6 5 804 21 5 1120 83 mbar 30 2 1 529 14 2 1629 43 7 1914 60 4 1 896 24 0 2647 70 9 150 10 3 1955 52 4 5 Shaded areas indicate inlet pressure is too high for orifice size continued 10 Bulletin 74 1 Y690A Table 10 Types Y690AH and Y690AHM Capacities continued OUTLET NPS 3 4 DN 20 BODY SIZE PRESSURE ieee F RANGE
10. has been reestablished the regulator throttles close When the liquid level drops and vessel pressure decreases below the setting of the control spring the spring force on the diaphragm opens the disk assembly to supply the required flow of gas to the vessel When vessel pressure has been satisfied outlet pressure tends to increase slightly acting on the diaphragm When the outlet pressure exceeds the control spring setting the diaphragm moves to close the disk assembly Bulletin 74 1 Y690A SUPPLY PRESSURE INLET PRESSURE GAS BLANKETING PRESSURE VESSEL TANK 7 ATMOSPHERIC PRESSURE Figure 3 Type Y690A or Y690AH with Internal Registration Operational Schematic VENT BLOCK VALVE VENT POINTED DOWN INLET PRESSURE p GAs BLANKETING PRESSURE L ATMOSPHERIC PRESSURE VESSEL TANK Figure 4 Type Y690AM or Y690AHM Gas Blanketing Regulator with External Registration Operational Schematic Bulletin 74 1 Y690A Table 6 Vessel Capacity VESSEL CAPACITY SCFH Nm h AIR FLOW Barrels Gallons Liters RATE REQUIRED 60 2500 9500 60 1 6 100 4200 16 000 100 2 7 500 21 000 79 500 500 13 4 1000 42 000 159 000 1000 26 8 2000 84 000 318 000 2000 53 6 3000 126 000 477 000 3000 80 4 4000 168 000 636 000 4000 107 5000 210 000 795 000 5000 134 10 000 420 000 1 590 000 10 000 268 15 000 630 000 2 385
11. 000 15 000 402 20 000 840 000 3 180 000 20 000 536 25 000 1050000 3975000 24 000 643 30 000 1260000 4769000 28 000 750 35 000 1470000 5564000 31 000 831 40 000 1680000 6359000 34 000 911 45 000 1890000 7154000 37 000 992 50 000 2100000 7949000 40 000 1072 60 000 2520000 9539000 44 000 1179 70 000 2940000 11129000 48 000 1286 80 000 3360000 12718000 52 000 1394 90 000 3780000 14308 000 56 000 1501 100 000 4200000 15898 000 60 000 1608 120 000 5040000 19078000 68 000 1822 140 000 5880000 22257000 75 000 2010 160 000 6720000 25437 000 82 000 2198 180 000 7560000 28616000 90 000 2412 1 Flash point is below 100 F 38 C or normal boiling point is below 300 F 149 C Product Description Y690A Series Pressure Reducing Regulators Very low pressure Types Y690A and Y690AM and higher pressure versions Types Y690AH and Y690AHM are available for operating inlet pressures up to 150 psig 10 3 bar and outlet pressures settings from 1 inch w c to 7 psig 2 mbar to 0 48 bar Refer to Table 5 for outlet pressure ranges of each type These regulators are available in NPS 3 4 and 1 DN 20 and 25 body sizes with the end connections as shown in Table 1 Downstream Control Line Types Y690AM and Y690AHM regulators have a blocked throat stem seal with O rings anda 1 2 NPT control line connection in the diaphragm case Figure 2 The control line can be used to mor
12. 0AHM Capacities continued Bulletin 74 1 Y690A OUTLET PRESSURE RANGE CONTROL SPRING PART NUMBER AND COLOR OFFSET FROM SETPOINT OUTLET PRESSURE SETTING INLET PRESSURE PSIG bar NPS 1 DN 25 BODY SIZE Capacities in SCFH Nm h of Nitrogen Orifice Size Inches mm 118 3 2 1 4 6 4 3 8 9 5 1 2 13 9 16 14 2 0 14 519 13 9 6 0 41 143 3 8 356 9 5 865 23 2 692 18 6 855 22 9 1 2 psig 10 0 69 153 4 1 509 13 6 1110 29 8 1384 37 1 passed 83 mbar 30 2 1 499 13 4 1262 33 8 3186 85 4 83 mbar to oe 60 4 1 794 21 3 2840 76 1 6067 163 0 17 bar A psig 14 mbar 150 10 3 1924 51 6 3054 81 9 1B537127022 6 0 41 112 3 0 214 5 7 519 13 9 529 14 2 540 14 5 Light green 10 0 69 143 3 8 387 10 4 611 16 4 682 18 3 2 5 psig 0 17 bar 30 2 1 448 12 0 814 21 8 1812 48 6 60 4 1 672 18 0 1985 53 2 5813 156 150 10 3 1731 46 4 2749 73 7 4 0 28 8 0 55 2 5 psig 12 0 83 0 17 bar 30 2 1 2 5 to 4 5 psig 0 17 to 0 31 bar 0 3 psig S041 21 mbar 150 10 3 1588 42 6 5253 141 ecm 8 0 55 92 2 5 193 5 2 387 10 4 407 10 9 428 11 5 12 0 83 122 3 3 255 6 8 478 12 8 672 18 0 nee 30 2 1 305 8 2 601 16 1
13. 3 8 9 5 0 89 1 2 13 9 16 14 Table 3 Construction Materials BODY DIAPHRAGM CASE SPRING CASE TRIM DIAPHRAGM DISK Nitrile NBR Nitrile NBR Ductile iron or Ductile iron or Ductile iron or 303 Stainless steel Snpra sete kr el CF8M Stainless steel CF8M Stainless steel CF8M Stainless steel 316 Stainless steel y PTFE bonded PTFE or Nitrile NBR Ethylenepropylene EPDM Table 4 Maximum Operating Inlet Pressures in Psig bar OUTLET PRESSURE RANGES ORIFICE Type Y690A Types Y690AH and Y690AM SIZE 1 to 2 5 to 5 to 7 to 15 Inches w c 1 2 to 2 5 Psig r z INCHES mm 2 5inches w c 7 Inches w c 10 Inches w c 16 Inches w c to 1 2 Psig 83 mbar p els A ba 0 gan Din 2 to 6 mbar 6to17 mbar 12 to 25 mbar 17 to 40 mbar 37 to 83 mbar to 0 17 bar 1 8 3 2 150 10 3 150 10 3 150 10 3 150 10 3 150 10 3 150 10 3 150 10 3 150 10 3 1 4 6 4 40 2 8 60 4 1 7S 5 2 75 5 2 75 5 2 150 10 3 150 10 3 150 10 3 3 8 9 5 20 1 4 20 1 4 35 2 4 35 2 4 35 2 4 60 4 1 60 4 1 60 4 1 1 2 13 10 0 69 10 0 69 8 0 55 8 0 55 8 0 55 10 0 69 12 0 83 12 0 83 9 16 14 5 0 34 5 0 34 5 0 34 5 0 34 5 0 34 6 0 41 8 0 55 8 0 55 Table 5 Outlet Control Pressure Ranges and Spring Part Numbers TYPES OUTLET CONTROL SPRING PART SPRING SPRING WIRE DIAMETER SPRING F
14. 90611 Middle East and Africa Dubai United Arab Emirates Tel 971 4811 8100 Natural Gas Technologies Emerson Process Management Regulator Technologies Inc USA Headquarters McKinney Texas 75069 1872 USA Tel 1 800 558 5853 Outside U S 1 972 548 3574 Asia Pacific Singapore Singapore 128461 Tel 65 6777 8211 Europe Bologna Italy 40013 Tel 39 051 4190611 Gallardon France 28320 Tel 33 0 2 37 33 47 00 TESCOM Emerson Process Management Tescom Corporation USA Headquarters Elk River Minnesota 55330 2445 USA Tel 1 763 241 3238 Europe Selmsdorf Germany 23923 Tel 49 0 38823 31 0 For further information visit www fisherregulators com The Emerson logo is a trademark and service mark of Emerson Electric Co All other marks are the property of their prospective owners Fisher is a mark owned by Fisher Controls Inc a business of Emerson Process Management The contents of this publication are presented for informational purposes only and while every effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability We reserve the right to modify or improve the designs or specifications of such products at any time without notice Emerson Process Management does not assume responsibility for the selection use or maintenance of any product Responsibility for pr
15. 90AM Capacities OUTLET CAPACITIES IN SCFH Nm h OF NITROGEN BODY SIZE PRESSURE OUTLET INLET _ NPS DN i RANGE PRESSURE PRESSURE Orifice Size Inches mm PART NUMBER SETTING PSIG bar AND COLOR 1 18 3 2 1 4 6 4 3 8 9 5 1 2 13 9 16 14 2 0 14 122 3 3 305 8 2 356 9 5 468 12 5 611 16 4 5 0 34 183 4 9 417 11 2 458 12 3 611 16 4 713 19 1 10 0 69 204 5 5 591 15 8 540 14 5 814 21 8 20 1 4 285 7 6 621 16 6 662 17 7 41 inch w c 40 2 8 611 16 4 987 26 4 2 mbar 60 4 1 814 21 8 80 5 5 916 24 5 100 6 9 1018 27 3 Re ra 125 8 6 1222 32 8 0 INCNES W C 2 i86 mbar 150 10 3 1323 35 5 2 0 14 122 3 3 356 9 5 407 10 9 652 17 5 784 21 0 1B558527052 5 0 34 204 5 5 509 13 6 611 16 4 835 22 4 967 25 9 Orange 10 0 69 224 6 0 672 18 0 764 20 5 1038 27 8 20 1 4 285 7 6 784 21 0 967 25 9 2 5 inches w c 40 2 8 662 17 7 1038 27 8 6 mbar 60 4 1 916 24 5 80 5 5 1069 28 6 100 6 9 1171 31 4 125 8 6 1222 32 8 150 10 3 1273 34 1 2 0 14 122 3 3 204 5 5 234 6 3 458 12 3 499 13 4 5 0 34 183 4 9 275 7 4 540 14 5 611 16 4 692 18 5 10 0 69 234 6 3 458 12 3 713 19 1 825 22 1 20 1 4 255 6 8 641 17 2 916 24 5
16. Bulletin 74 1 Y690A January 2010 Y690A Series Gas Blanketing Regulators Figure 1 Y690A Series Direct Operated Gas Blanketing Regulators Introduction Features e Easy Conversion Between Constructions Converts easily from Type Y690A to Type Y690AM with two O rings and one machine screw The Y690A Series Gas Blanketing Regulator System reduces a high pressure gas such as nitrogen to maintain a protective environment above any liquid stored in a tank or vessel The regulator system replaces the volume of vapors with a e Sour Gas Service Capability For sour gas applications the Y690A Series regulators are available in materials that comply with National Association of Corrosion Engineers NACE Standards MR0175 and MRO103 volume of blanketing gas to prevent the internal vessel pressure from decreasing when liquid is being pumped out or when the vessel is suddenly cooled causing vapors to contract In both cases a slight positive vessel pressure prevents outside air moisture and other contaminants from entering the vessel Type Y690A Figure 1 is a direct operated regulator used for accurate pressure control on very low pressure blanketing systems Downstream pressure is sensed through a pitot tube installed in the lower casing of the regulator thus no external control line is required Type Y690AM uses a control line to more accurately control the pressure if the regulator is mounted away from the tank Inl
17. OFFSET OUTLET INLET Capacities in SCFH Nm h of Nitrogen CONTROL FROM PRESSURE PRESSURE Orifice Size Inches mm SPRING PART SETPOINT SETTING PSIG bar NUMBER 4 8 3 2 1 4 6 4 3 8 9 5 4 2 13 9 16 14 AND COLOR 2 0 14 92 2 5 173 4 6 275 7 4 387 10 4 407 10 9 6 0 41 143 3 8 356 9 5 580 15 5 672 18 0 845 22 7 1 2 psig 10 0 69 153 4 1 468 12 5 794 21 3 926 24 8 83 mbar 30 2 1 438 11 7 1222 32 8 1354 36 3 TEE 2 1 11 7 32 8 36 3 83 mbar to 60 4 1 682 18 3 1955 52 4 1843 49 4 0 17 bar 0 2 psig 14 mbar 150 10 3 1568 42 0 4031 108 1B537127022 6 0 41 102 2 7 204 5 5 356 9 5 468 12 5 540 14 5 Light green 10 0 69 132 3 5 387 10 4 448 12 0 682 18 3 2 5 psig 0 17 bar 30 2 1 336 9 0 774 20 7 814 21 8 60 4 1 590 15 8 1527 40 9 1771 47 5 150 10 3 1171 31 4 2647 70 9 4 0 28 112 3 0 153 4 1 244 6 5 295 7 9 377 10 1 8 0 55 112 3 0 285 7 6 407 10 9 560 15 0 631 16 9 2 5 psig 12 0 83 153 4 1 387 10 4 540 14 5 733 19 6 0 17 bar 30 2 1 336 9 0 713 19 1 875 23 5 2 5 to 4 5 psig 0 17 to 0 31 ber sass 60 4 1 519 13 9 1364 36 6 1446 38 8 21 mbar 150 10 3 1242 33 3 3644 97 7 1B537227022 Light blue 8 0 55 92 2 5 193 5 2 316 8 5 407 10 9 428 11 5 12 0 83 122 3 3 255 6 8 417 11 2 570 15 3 4 5 psig 0 31 bar 30 2 1 234 6 3 601 16 1 652 17 5
18. REE LENGTH PRESSURE RANGE NUMBER COLOR INCHES mm INCHES mm Y690A and 1 to 2 5 inches w c 2 to 6 mbar 1B558527052 2 Orange 0 072 1 83 3 78 96 0 Y690AM 2 5 to 7 inches w c 6 to 17 mbar 1B653827052 Red 0 085 2 16 3 63 92 2 5 to 10 inches w c 12 to 25 mbar 1B653827052 Red 0 085 2 16 3 63 92 2 7 to 16 inches w c 17 to 40 mbar 1B653927022 Unpainted 0 105 2 67 3 75 95 2 Y690AH and 15 inches w c to 1 2 psig 37 to 83 mbar 1B537027052 Yellow 0 114 2 90 4 31 109 Y690AHM 1 2 to 2 5 psig 83 mbar to 0 17 bar 1B537127022 Light green 0 156 3 96 4 06 103 2 5 to 4 5 psig 0 17 to 0 31 bar 1B537227022 Light blue 0 187 4 75 3 94 100 4 5 to 7 psig 0 31 to 0 48 bar 1B537327052 Black 0 218 5 54 3 98 101 1 To achieve the published outlet pressure range the spring case must be installed pointing down 2 Do not use fluorocarbon FKM diaphragm with this spring at diaphragm temperatures lower than 60 F 16 C Bulletin 74 1 Y690A Y VALVE DISK PITOT TUBE FOR TYPES Y690A AND Y690AH y VALVE STEM SLIDING PUSHER POST 7 INLET PRESSURE GS OUTLET PRESSURE ____ ATMOSPHERIC PRESSURE B2625 Figure 2 Y690A Series Operational Schematic Principle of Operation With Internal Registration Refer to Figure 3 Types Y690A and Y690AH are direct operated regulators with internal registration see Figures 2 and 3 It provides a constant set pressure for accurate gas blanketing Wh
19. e accurately control the pressure in the tank if the regulator is mounted an extended distance from the control point The stem seal separates the body outlet pressure from the diaphragm case Table 7 Correction Factors for converting nitrogen flow rates to other gas flow rates BLANKET GAS SPECIFIC GRAVITY CORRECTION FACTOR Natural Gas 0 60 1 270 Air 1 00 0 985 Dry CO 1 52 0 797 i _ 0 985 Correction Factor VSG Table 8 Flow Rate Conversion MULTIPLY MAXIMUM PUPM RATE IN BY TO OBTAIN U S GPM 8 021 U S GPH 0 1337 1 Barrels hour 5 615 SCEH airreguired Barrels day 0 2340 1 To convert to Nm h multiply SCFH by 0 0268 Sliding Pusher Post The diaphragm assembly of the regulator is equipped with a sliding pusher post During an overpressure situation outlet pressure above setpoint or lockup pressure the spring of the sliding pusher post is compressed allowing the diaphragm head to come to rest on the spring case This action prevents any damage to internal parts Sizing Blanketing Systems When sizing a gas blanketing regulator system for a low pressure blanketing application you must consider the replacement of blanketing gas required for the liquid loss during pump out of the vessel plus the condensation contraction of vessel vapors during atmospheric thermal cooling Using the established procedures from American Petroleum Institute Standard 2000 API 2000 determine
20. en vessel pressure decreases below the control spring setpoint the force of the spring moves the disk away from the orifice allowing gas to flow into the vessel As the vessel pressure increases the increase is sensed by the diaphragm through the pitot tube This movement of the diaphragm causes the disk to move toward the orifice decreasing the flow of blanketing gas When the vessel pressure reaches the system setpoint the disk will seat against the orifice shutting off the flow of gas With External Registration Refer to Figure 4 Types Y690AM and Y690AHM Gas Blanketing Regulators reduce a higher pressure gas to maintain a positive low pressure of blanket gas over a stored liquid Also when the vessel or tank is suddenly cooled causing vapors to contract the regulator DOWNSTREAM CONTROL LINE FOR TYPES Y690AM AND Y690AHM OVERPRESSURE SPRING replaces the volume of contracting vapors with a volume of blanketing gas to prevent the internal vessel pressure from decreasing In both cases a positive vessel pressure prevents outside air from entering the vessel and reduces the possibility of atmospheric pressure collapsing the vessel Gas blanketing regulators respond to a slight decrease in internal vessel pressure caused by pump out or atmospheric cooling by throttling open to increase the flow rate of gas into the vessel When the vessel s liquid level has been lowered to the desired point and the vapor pressure
21. es See Table 1 Maximum Allowable Inlet Pressure 150 psig 10 3 bar Maximum Operating Inlet Pressure See Table 4 Maximum Outlet Pressure Casing 150 psig 10 3 bar Internal Parts Damage 150 psig 10 3 bar Outlet Pressure Ranges See Table 5 Orifice Sizes and Flow and Sizing Coefficients See Table 2 Pressure Registration Types Y690A and Y690AH Internal Types Y690AM and Y690AHM External Flow Capacities See Tables 9 and 10 Construction Materials See Table 3 Material Temperature Capabilities Nitrile NBR 20 to 180 F 29 to 82 C Fluorocarbon FKM 40 to 300 F 4 to 149 C Ethylenepropylene EPDM 20 to 275 F 29 to 135 C Perfluoroelastomer FFKM 20 to 300 F 29 to 149 C Pressure Setting Adjustment Adjusting Screw Spring Case Connection 1 4 NPT Diaphragm Case Connection 1 2 NPT Approximate Weight 19 pounds 9 kg 1 The pressure temperature limits in this Bulletin and any applicable standard or code limita ion should not be exceeded Bulletin 74 1 Y690A Table 1 End Connection Styles BODY SIZE END CONNECTION STYLE NPS DN Ductile Iron Stainless Steel NPT SWE 3 4 or 1 CL150 RF 20 or 25 CL300 RF or PN 16 25 40 Table 2 Orifice Sizes and Flow and Sizing Coefficients WIDE OPEN FOR RELIEF ORIFICE SIZE VALVE SIZING IEC SIZING COEFFICIENTS INCHES mm 1 Fi 1 8 3 2 1 4 6 4
22. et Pressure Equals Outlet Pressure Full inlet pressure capability on the downstream side of the regulator Corrosion Resistance Multiple regulator constructions are available in a variety of materials for compatibility with corrosive process gases Multiple Applications Y690A Series can be used for a wide variety of gases including air nitrogen natural gas sour gas butane and propane 4 EMERSON Process Management www fisherregulators com D102591X012 Bulletin 74 1 Y690A Specifications Available Configurations Maximum Emergency Outlet Pressure to Avoid Type Y690A Direct operated pressure reducing regulator for outlet pressures up to 7 inches w c 17 mbar equipped with a pitot tube for greater regulated capacities Type Y690AH Direct operated pressure reducing regulator for outlet pressures up to 7 psig 0 48 bar equipped with a pitot tube for greater regulated capacities Type Y690AM Direct operated pressure reducing regulator for outlet pressures up to 7 inches w c 17 mbar equipped with a blocked throat and O ring stem seal The lower diaphragm casing is tapped 1 2 NPT for control line connection Type Y690AHM Direct operated pressure reducing regulator for outlet pressures up to 7 psig 0 48 bar equipped with a blocked throat and O ring stem seal The lower diaphragm casing is tapped 1 2 NPT for control line connection Body Sizes NPS 3 4 or 1 DN 20 or 25 End Connection Styl
23. f gas being controlled nitrogen fuel gas etc list any factors such as impurities in the gas that may affect compatibility of the gas with the regulator trim parts 2 Specific gravity of the gas 3 Temperature of the gas 4 Range of flowing inlet pressures to regulator 5 Flow rates a Minimum controlled flow b Normal flow c Maximum flow 6 Line size and end connection size of adjacent piping Adjacent downstream piping must be the same size as the regulator body or longer 7 Vessel size Construction Carefully review the Specifications section then specify the desired selection on the Ordering Guide on the following page If a pilot setpoint is not requested the regulator will be factory set at the approximate midrange Ordering Guide Type Select One Y690A Internal registration Y690AH High pressure with Internal registration Y690AM External registration Y690AHM High pressure with External registration Body Size Select One NPS 3 4 DN 20 NPS 1 DN 25 Body Material and End Connection Style Select One Ductile iron Body NPT CF8M Stainless steel NPT CL150 RF CL300 RF PN 16 25 40 Spring Case Material Select One Ductile iron CF8M Stainless steel Diaphragm Case Material Select One Ductile iron CF8M Stainless steel Trim Material Select One
24. oper selection use and maintenance of any Emerson Process Management product remains solely with the purchaser 9 EMERSON Dracacc M amant Emerson Process Management Regulator Technologies Inc 1998 2010 All Rights Reserved F rocess Ma lagement
25. s comply with the recommendations of National Association of Corrosion Engineers NACE sour service standards The manufacturing processes and materials used by Emerson assure that all products specified for sour gas service comply with the chemical physical and metallurgical requirements of NACE MR0175 ISO 15156 and or NACE MRO103 Customers have the responsibility to specify correct materials Environmental limitations may apply and shall be determined by the user Capacity Information Capacity tables are based on 0 97 specific gravity nitrogen Nitrogen is the most common blanketing gas Should you use a different gas convert the tabular values as follows For blanketing pad gases other than nitrogen multiply the given nitrogen flow rate by the correction factors in Table 7 For gases of other specific gravities multiply the given nitrogen flow rate by 0 985 and divide by the square root of the appropriate specific gravity 520 13417 AP O __ CP Sin 4 Deg GT Lc P To determine wide open flow capacities for relief sizing use the following formula where C gas sizing coefficient from Table 2 C C C or 35 from Table 2 G gas specific gravity air 1 0 Pps inlet pressure psia add 14 7 psi to gauge inlet pressure to obtain absolute inlet pressure Q flow rate SCFH T absolute temperature in Rankine of gas at inlet Bulletin 74 1 Y690A Table 9 Types Y690A and Y6
26. the flow rate of blanketing gas required 1 Determine the gas flow rate required to replace the liquid being pumped out see Table 8 2 Determine the gas flow rate due to inbreathing caused by atmospheric thermal cooling see Table 6 3 Add the requirements of 1 and 2 and select regulator size based on total capacity required from Table 9 or 10 Sample sizing problem for blanketing applications Vessel Capacity 12 500 gallons 47 318 I Pump In Out Capacity 120 GPM 454 l min Inlet Pressure Source 60 psig 4 1 bar Nitrogen Desired Blanket Setpoint 3 0 inches w c 7 mbar 1 From Table 8 the desired air flow rate due to pump out equals 120 GPM 454 I min x 8 021 963 SCFH 25 8 Nm h air 2 From Table 6 interpolate to determine the required air flow due to thermal cooling 300 SCFH 8 0 Nm h air 3 Total flow required for pump out and thermal cooling is 963 300 1263 SCFH 33 8 Nm h air 4 Convert to nitrogen by dividing the total air flow by the square root of the specific gravity of nitrogen 1263 divided by square root of 0 97 1282 SCFH 34 4 Nm h nitrogen 5 From Table 9 an NPS 1 DN 25 body size Type Y690A with a 1 4 inch 6 4 mm orifice will flow 1323 SCFH 35 5 Nm h nitrogen at 60 psig 4 1 bar inlet pressure This will satisfy the required flow of 1282 SCFH 34 4 Nm h nitrogen Installation Types Y690A and Y690AH Install the regula
27. tor with the spring case barrel pointed down This will assure that the lowest set pressure shown in Table 5 is achieved Flow through the regulator body is indicated by the flow arrow cast on the body If a block valve is required install a full flow valve between the regulator and the blanketed vessel Types Y690AM and Y690AHM The regulator may be installed in any position as long as the flow through the body is in the direction indicated by the flow arrow attached to the body Install the regulator as close as possible to the blanketed vessel using a straight run of pipe the same size as or larger than the regulator body Position the body and or diaphragm spring case so it will not collect moisture or debris into the screened vent and also be self draining as shown in Figure 4 If a block valve is required install a full flow valve between the regulator and the blanketed vessel Bulletin 74 1 Y690A Attach a downstream pressure control line to the 1 2 NPT connection in the lower diaphragm case Connect the other end of the control line to the vessel To allow for self drainage install the control line at an angle so that any liquid material will drain away from the regulator See Figures 2 and 4 for the location of the external control line connection External dimensions and connections are shown in Figure 5 Universal NACE Compliance Optional materials are available for applications handling sour gases These construction
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